🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 13.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.74 AU - 1.04 AU

Year: 569 Days

Day: 14.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,277,356 km

• M1: 170,990 km (0.074 R)
• M2: 605,871 km (0.068 R)
• M3: 1,097,450 km (0.079 R)
• M4: 1,647,521 km (0.03 R)
• M5: 2,419,895 km (0.045 R)
• M6: 3,049,702 km (0.081 R)
• M7: 3,814,297 km (0.074 R)
• M8: 4,338,039 km (0.113 R)
• M9: 6,691,662 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.4

Radius: 8.7

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.88 AU - 1.26 AU

Year: 751 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,277,356 km

• M1: 109,057 km (0.102 R)
• M2: 667,057 km (0.11 R)
• M3: 1,007,990 km (0.118 R)
• M4: 1,954,795 km (0.082 R)
• M5: 2,610,034 km (0.056 R)
• M6: 3,130,036 km (0.093 R)
• M7: 3,818,486 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 12.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.37 AU - 1.85 AU

Year: 1386 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,277,356 km

• M1: 166,652 km (0.106 R)
• M2: 621,579 km (0.069 R)
• M3: 1,010,384 km (0.097 R)
• M4: 1,544,299 km (0.077 R)
• M5: 2,828,447 km (0.116 R)
• M6: 4,786,982 km (0.104 R)
• M7: 5,441,174 km (0.075 R)
• M8: 5,924,824 km (0.069 R)
• M9: 6,655,160 km (0.095 R)
• M10: 9,456,979 km (0.105 R)
• M11: 10,622,646 km (0.098 R)
• M12: 11,557,931 km (0.097 R)
• M13: 12,100,972 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 9.3

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.28 AU - 1.98 AU

Year: 1411 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,277,356 km

• M1: 115,639 km (0.032 R)
• M2: 447,746 km (0.092 R)
• M3: 1,248,394 km (0.07 R)
• M4: 1,553,424 km (0.082 R)
• M5: 3,014,247 km (0.112 R)
• M6: 3,395,273 km (0.099 R)
• M7: 4,596,993 km (0.107 R)
• M8: 5,294,717 km (0.112 R)
• M9: 5,805,594 km (0.083 R)
• M10: 6,156,252 km (0.086 R)
• M11: 10,451,206 km (0.1 R)
• M12: 11,913,675 km (0.104 R)
• M13: 12,713,575 km (0.098 R)
• M14: 13,027,431 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326

Radius: 12.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.51 AU - 3.55 AU

Year: 4498 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,277,356 km

• M1: 151,692 km (0.095 R)
• M2: 581,188 km (0.114 R)
• M3: 1,024,446 km (0.104 R)
• M4: 2,035,877 km (0.115 R)
• M5: 2,564,706 km (0.083 R)
• M6: 3,029,058 km (0.093 R)
• M7: 3,881,766 km (0.12 R)
• M8: 5,529,885 km (0.092 R)
• M9: 6,061,257 km (0.119 R)
• M10: 7,571,747 km (0.103 R)
• M11: 8,060,333 km (0.116 R)
• M12: 8,466,491 km (0.068 R)
• M13: 10,827,894 km (0.036 R)
• M14: 11,704,388 km (0.037 R)
• M15: 12,138,072 km (0.1 R)
• M16: 14,818,866 km (0.038 R)
• M17: 16,377,975 km (0.088 R)
• M18: 17,364,573 km (0.043 R)
• M19: 17,929,454 km (0.112 R)
• M20: 18,682,081 km (0.094 R)
• M21: 21,130,849 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.1

Radius: 11.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.72 AU - 5.5 AU

Year: 6713 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,277,356 km

• M1: 156,031 km (0.097 R)
• M2: 613,950 km (0.12 R)
• M3: 996,023 km (0.076 R)
• M4: 1,533,977 km (0.11 R)
• M5: 2,290,493 km (0.1 R)
• M6: 2,871,980 km (0.095 R)
• M7: 3,812,801 km (0.111 R)
• M8: 5,435,190 km (0.082 R)
• M9: 6,474,895 km (0.099 R)
• M10: 7,026,612 km (0.067 R)
• M11: 8,688,644 km (0.103 R)
• M12: 10,026,797 km (0.081 R)
• M13: 11,192,763 km (0.098 R)
• M14: 11,808,807 km (0.119 R)
• M15: 14,245,457 km (0.113 R)
• M16: 15,074,529 km (0.091 R)
• M17: 16,602,521 km (0.099 R)
• M18: 17,000,152 km (0.05 R)
• M19: 19,584,007 km (0.112 R)
• M20: 20,805,025 km (0.115 R)
• M21: 22,835,517 km (0.114 R)
• M22: 23,898,858 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 10

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.7 AU - 5.28 AU

Year: 7560 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,277,356 km

• M1: 124,465 km (0.04 R)
• M2: 553,512 km (0.109 R)
• M3: 2,032,437 km (0.098 R)
• M4: 3,751,615 km (0.079 R)
• M5: 4,496,613 km (0.112 R)
• M6: 11,366,297 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.8

Radius: 6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.06 AU - 10.34 AU

Year: 20490 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,277,356 km

• M1: 79,137 km (0.118 R)
• M2: 381,923 km (0.105 R)
• M3: 2,989,713 km (0.092 R)
• M4: 4,064,873 km (0.081 R)
• M5: 4,275,358 km (0.115 R)
• M6: 6,511,247 km (0.1 R)
• M7: 7,638,018 km (0.1 R)
• M8: 19,971,465 km (0.097 R)
• M9: 20,581,376 km (0.105 R)
• M10: 38,965,159 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 16,428 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit